1598406 has 8 divisors (see below), whose sum is σ = 3196824. Its totient is φ = 532800.

The previous prime is 1598381. The next prime is 1598447. The reversal of 1598406 is 6048951.

It is a sphenic number, since it is the product of 3 distinct primes.

1598406 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133195 + ... + 133206.

It is an arithmetic number, because the mean of its divisors is an integer number (399603).

2^1598406 is an apocalyptic number.

1598406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1598406 is a wasteful number, since it uses less digits than its factorization.

1598406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266406.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1598406 is about 1264.2808232351. The cubic root of 1598406 is about 116.9218559207.

The spelling of 1598406 in words is "one million, five hundred ninety-eight thousand, four hundred six".